const SYSTEN_INFO = uni.getSystemInfoSync();
export const  getStatusBarHeight =()=> SYSTEN_INFO.statusBarHeight || 15;

export const getTitleBarHeight = ()=>{
	if(uni.getMenuButtonBoundingClientRect){
		 let {top,height} = uni.getMenuButtonBoundingClientRect();
		return height + (top-getStatusBarHeight())*2 
	}else{
		return 60;
	}
}

export const getNavBarHeight = ()=> getTitleBarHeight()+getStatusBarHeight();

// export const getLeftIcon =()=>{}
